Restructuring and Other Charges (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 1,723	$ 11,801
Other restructuring charges	(330)	221
Restructuring and Other Charges (Textuals)
Non routine expenses net	924	5,771
Global Shared Services Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,723
EMEA Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	330	11,580
Minimum [Member] | EMEA Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges	400
Maximum [Member] | EMEA Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges	1,100
Expected Future Costs to Be Recognized in 2012 [Member] | Global Shared Services Plan [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges	1,500
Expected Future Costs to Be Recognized Beyond 2012 [Member] | Global Shared Services Plan [Member]
Restructuring Cost and Reserve [Line Items]
Additional restructuring charges	9,500
Cost Of Sales Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ (669)	$ 6,074